Bug 331320

Application: plasma-desktop (4.11.5)
KDE Platform Version: 4.11.5
Qt Version: 4.8.5
Operating System: Linux 3.11.7-200.fc19.x86_64 x86_64
Distribution (Platform): Fedora RPMs

-- Information about the crash:
- What I was doing when the application crashed:
I opened (not yet shown up) an pdf document from Firefox with Okular, while I closed another Okular instance that was already open via the task manager.

-- Backtrace:
Application: Plasma Desktop Shell (plasma-desktop), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
81	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[Current thread is 1 (Thread 0x7f0f599bc8c0 (LWP 1820))]

Thread 4 (Thread 0x7f0f4d491700 (LWP 1823)):
#0  0x0000003160c0e0bd in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003ffe686460 in read (__nbytes=16, __buf=0x7f0f4d490c50, __fd=<optimized out>) at /usr/include/bits/unistd.h:44
#2  g_wakeup_acknowledge (wakeup=0xc7da10) at gwakeup.c:212
#3  0x0000003ffe647be4 in g_main_context_check (context=context@entry=0xc7c450, max_priority=2147483647, fds=fds@entry=0x7f0f480010c0, n_fds=n_fds@entry=3) at gmain.c:3502
#4  0x0000003ffe64804b in g_main_context_iterate (context=0xc7c450, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3698
#5  0x0000003ffe64851a in g_main_loop_run (loop=0xc7c3e0) at gmain.c:3895
#6  0x0000003fff6c6c66 in gdbus_shared_thread_func (user_data=0xc7c420) at gdbusprivate.c:278
#7  0x0000003ffe66c0e5 in g_thread_proxy (data=0xc76e80) at gthread.c:798
#8  0x0000003160c07c53 in start_thread (arg=0x7f0f4d491700) at pthread_create.c:308
#9  0x00000031604f5dbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 3 (Thread 0x7f0f39771700 (LWP 1824)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x000000300878614b in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x3008a83f00 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x0000003008786189 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x0000003160c07c53 in start_thread (arg=0x7f0f39771700) at pthread_create.c:308
#4  0x00000031604f5dbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 2 (Thread 0x7f0eb711f700 (LWP 1825)):
#0  0x00000031604eb7fd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x0000003ffe6480b4 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f0eb00029b0, timeout=-1, context=0x7f0eb00009a0) at gmain.c:3995
#2  g_main_context_iterate (context=context@entry=0x7f0eb00009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3696
#3  0x0000003ffe6481bc in g_main_context_iteration (context=0x7f0eb00009a0, may_block=1) at gmain.c:3762
#4  0x0000003fffba6d56 in QEventDispatcherGlib::processEvents (this=0x7f0eb00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:427
#5  0x0000003fffb78b2f in QEventLoop::processEvents (this=this@entry=0x7f0eb711ece0, flags=...) at kernel/qeventloop.cpp:149
#6  0x0000003fffb78e25 in QEventLoop::exec (this=this@entry=0x7f0eb711ece0, flags=...) at kernel/qeventloop.cpp:204
#7  0x0000003fffa78a1f in QThread::exec (this=this@entry=0x18d47a0) at thread/qthread.cpp:536
#8  0x0000003fffb5a3e3 in QInotifyFileSystemWatcherEngine::run (this=0x18d47a0) at io/qfilesystemwatcher_inotify.cpp:265
#9  0x0000003fffa7b0bf in QThreadPrivate::start (arg=0x18d47a0) at thread/qthread_unix.cpp:338
#10 0x0000003160c07c53 in start_thread (arg=0x7f0eb711f700) at pthread_create.c:308
#11 0x00000031604f5dbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113

Thread 1 (Thread 0x7f0f599bc8c0 (LWP 1820)):
[KCrash Handler]
#6  QTimer::start (this=0x100000005, msec=msec@entry=800) at kernel/qtimer.cpp:233
#7  0x00007f0eb83a8813 in MouseEventListener::sceneEventFilter (this=0x19bc8d0, item=0x2b28f60, event=0x7fffeecbd430) at /usr/src/debug/kde-runtime-4.11.5/plasma/declarativeimports/qtextracomponents/mouseeventlistener.cpp:188
#8  0x0000003000f8c805 in QGraphicsScenePrivate::filterDescendantEvent (this=this@entry=0xde3a80, item=item@entry=0x2b28f60, event=event@entry=0x7fffeecbd430) at graphicsview/qgraphicsscene.cpp:1159
#9  0x0000003000f90e4e in QGraphicsScenePrivate::sendEvent (this=0xde3a80, item=0x2b28f60, event=0x7fffeecbd430) at graphicsview/qgraphicsscene.cpp:1211
#10 0x0000003000f9134f in QGraphicsScenePrivate::sendMouseEvent (this=0xde3a80, mouseEvent=0x7fffeecbd430) at graphicsview/qgraphicsscene.cpp:1295
#11 0x0000003000f9cb16 in QGraphicsScenePrivate::mousePressEventHandler (this=this@entry=0xde3a80, mouseEvent=mouseEvent@entry=0x7fffeecbd430) at graphicsview/qgraphicsscene.cpp:1422
#12 0x0000003000f9cfa9 in QGraphicsScene::mousePressEvent (this=<optimized out>, mouseEvent=0x7fffeecbd430) at graphicsview/qgraphicsscene.cpp:4074
#13 0x0000003000fa5e00 in QGraphicsScene::event (this=0xb564d0, event=0x7fffeecbd430) at graphicsview/qgraphicsscene.cpp:3455
#14 0x00000030009c84dc in QApplicationPrivate::notify_helper (this=0xba0fd0, receiver=0xb564d0, e=0x7fffeecbd430) at kernel/qapplication.cpp:4562
#15 0x00000030009ceaa0 in QApplication::notify (this=this@entry=0xb87440, receiver=receiver@entry=0xb564d0, e=e@entry=0x7fffeecbd430) at kernel/qapplication.cpp:4348
#16 0x0000003002e3fd5a in KApplication::notify (this=0xb87440, receiver=0xb564d0, event=0x7fffeecbd430) at /usr/src/debug/kdelibs-4.11.5/kdeui/kernel/kapplication.cpp:311
#17 0x0000003fffb79ecd in QCoreApplication::notifyInternal (this=0xb87440, receiver=0xb564d0, event=event@entry=0x7fffeecbd430) at kernel/qcoreapplication.cpp:949
#18 0x00000030009c6e76 in sendSpontaneousEvent (event=event@entry=0x7fffeecbd430, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:234
#19 qt_sendSpontaneousEvent (receiver=<optimized out>, event=event@entry=0x7fffeecbd430) at kernel/qapplication.cpp:5560
#20 0x0000003000fbc7df in QGraphicsView::mousePressEvent (this=0x1f7d7b0, event=0x7fffeecbd9a0) at graphicsview/qgraphicsview.cpp:3164
#21 0x0000003000a178eb in QWidget::event (this=this@entry=0x1f7d7b0, event=event@entry=0x7fffeecbd9a0) at kernel/qwidget.cpp:8372
#22 0x0000003000db363e in QFrame::event (this=0x1f7d7b0, e=0x7fffeecbd9a0) at widgets/qframe.cpp:557
#23 0x0000003000fbd539 in QGraphicsView::viewportEvent (this=0x1f7d7b0, event=0x7fffeecbd9a0) at graphicsview/qgraphicsview.cpp:2866
#24 0x0000003fffb7a036 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x1f9a840, event=0x7fffeecbd9a0) at kernel/qcoreapplication.cpp:1059
#25 0x00000030009c84bc in QApplicationPrivate::notify_helper (this=0xba0fd0, receiver=0x1f9a840, e=0x7fffeecbd9a0) at kernel/qapplication.cpp:4558
#26 0x00000030009cebdd in QApplication::notify (this=this@entry=0xb87440, receiver=receiver@entry=0x1f9a840, e=e@entry=0x7fffeecbd9a0) at kernel/qapplication.cpp:4105
#27 0x0000003002e3fd5a in KApplication::notify (this=0xb87440, receiver=0x1f9a840, event=0x7fffeecbd9a0) at /usr/src/debug/kdelibs-4.11.5/kdeui/kernel/kapplication.cpp:311
#28 0x0000003fffb79ecd in QCoreApplication::notifyInternal (this=0xb87440, receiver=0x1f9a840, event=0x7fffeecbd9a0) at kernel/qcoreapplication.cpp:949
#29 0x00000030009ce393 in QApplicationPrivate::sendMouseEvent (receiver=0x1f9a840, event=0x7fffeecbd9a0, alienWidget=0x1f9a840, nativeWidget=0x1f7d7b0, buttonDown=0x30014a2258 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:231
#30 0x0000003000a3f84b in QETWidget::translateMouseEvent (this=0x1f7d7b0, event=<optimized out>) at kernel/qapplication_x11.cpp:4538
#31 0x0000003000a3e2bc in QApplication::x11ProcessEvent (this=0xb87440, event=event@entry=0x7fffeecbdd10) at kernel/qapplication_x11.cpp:3661
#32 0x0000003000a64d34 in x11EventSourceDispatch (s=s@entry=0xba4b90, callback=0x0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#33 0x0000003ffe647dc6 in g_main_dispatch (context=0xba38c0) at gmain.c:3054
#34 g_main_context_dispatch (context=context@entry=0xba38c0) at gmain.c:3630
#35 0x0000003ffe648118 in g_main_context_iterate (context=context@entry=0xba38c0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3701
#36 0x0000003ffe6481bc in g_main_context_iteration (context=0xba38c0, may_block=1) at gmain.c:3762
#37 0x0000003fffba6d35 in QEventDispatcherGlib::processEvents (this=0xb1e240, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#38 0x0000003000a64ea6 in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#39 0x0000003fffb78b2f in QEventLoop::processEvents (this=this@entry=0x7fffeecbe0f0, flags=...) at kernel/qeventloop.cpp:149
#40 0x0000003fffb78e25 in QEventLoop::exec (this=this@entry=0x7fffeecbe0f0, flags=...) at kernel/qeventloop.cpp:204
#41 0x0000003fffb7e0a9 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1221
#42 0x00000030009c6c9c in QApplication::exec () at kernel/qapplication.cpp:3823
#43 0x0000003007e3c7fc in kdemain (argc=1, argv=0x7fffeecbe348) at /usr/src/debug/kde-workspace-4.11.5/plasma/desktop/shell/main.cpp:126
#44 0x0000003160421b45 in __libc_start_main (main=0x400940 <main(int, char**)>, argc=1, ubp_av=0x7fffeecbe348, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffeecbe338) at libc-start.c:274
#45 0x0000000000400971 in _start ()

The reporter indicates this bug may be a duplicate of or related to bug 325604.

Possible duplicates by query: bug 331083, bug 330752, bug 330223, bug 330109, bug 329894.

Reported using DrKonqi